/*!
 * iOS SDK
 *
 * Tencent is pleased to support the open source community by making
 * Hippy available.
 *
 * Copyright (C) 2019 THL A29 Limited, a Tencent company.
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#import "HippyShadowListView.h"
#import "HippyWaterfallView.h"
#import "HippyAssert.h"


@implementation HippyShadowListView

- (void)insertHippySubview:(HippyShadowView *)subview atIndex:(NSUInteger)atIndex {
    [super insertHippySubview:subview atIndex:atIndex];
    if ([subview isKindOfClass:[HippyShadowWaterfallItem class]]) {
        HippyShadowWaterfallItem *objectItem = (HippyShadowWaterfallItem *)subview;
        objectItem.observer = self;
    }
    self.isDirty = YES;
}

- (void)removeHippySubview:(HippyShadowView *)subview {
    [super removeHippySubview:subview];
    if ([subview isKindOfClass:[HippyShadowWaterfallItem class]]) {
        HippyShadowWaterfallItem *objectItem = (HippyShadowWaterfallItem *)subview;
        objectItem.observer = nil;
    }
    self.isDirty = YES;
}

- (void)itemFrameChanged:(__kindof HippyShadowWaterfallItem *)item {
    self.isDirty = YES;
}

@end
